S
M
T
W
T
F
S
26
52°
40°
27
55°
40°
28
63°
38°
29
54°
37°
30
60°
41°
1
62°
40°
2
55°
37°
3
62°
43°
4
66°
45°
5
67°
46°
6
67°
46°
7
68°
48°
8
69°
48°
9
69°
44°
10
58°
43°
11
58°
42°
12
59°
46°
13
68°
46°
14
60°
44°
15
64°
46°
16
70°
49°
17
70°
50°
18
68°
38°
19
69°
39°
20
63°
41°
21
64°
39°
22
63°
42°
23
64°
43°
24
62°
46°
25
65°
52°
26
74°
45°
27
70°
50°
28
67°
55°
29
75°
51°
30
80°
45°
31
69°
53°
1
72°
47°
2
75°
54°
3
78°
55°
4
78°
47°
5
77°
45°
6
68°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Slinger
Slinger's May 2026 forecast shows daily high temperatures ranging from 52° to 80°, with overnight lows between 37° and 55°. The average high for May is 66° with an average low of 45°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Slinger. See also: June | July | August.